HESI A2 Practice Exam Questions and
Answers 100% Solved
1) Which of the following describes the primary function of the respiratory
system?
A) to create sound and speech
B) to take oxygen into the body while removing carbon dioxide
C) to transport nutrients to the cells and tissue of the body
D) to act as a barrier between the body's organs and outside influences -
✔✔to take oxygen into the body while removing carbon dioxide
2) Which of the following is the first step of the scientific method?
A) construct a hypothesis
B) make observations
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C) analyze data
D) form a question - ✔✔make observations
3) The process of organisms with an advantageous trait surviving more
often and producing more offspring than organisms without the
advantageous trait describes which of the following basic mechanisms?
A) gene flow
B) genetic drift
C) mutation
D) natural selection - ✔✔natural selection
4) Which of the following is the group of basophils that produces follicle-
stimulating hormone (FSH) and luteinizing hormone?
A) gonadotrophs
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B) thyotroph
C) chromophil
D) pituicytes - ✔✔gonadotrophs
5) Which of the following are considered the basic units of the female
reproductive system, each containing a single immature egg cell that is
released during ovulation?
A) oocytes
B) follicles
C) ovaries
D) fundus - ✔✔follicles
6) Which of the following describes the muscular organ that processes food
material into increasingly smaller pieces, mixes it with saliva to create a
bolus, and creates a barrier to transport food into the esophagus?
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A) pharynx
B) tongue
C) diaphragm
D) stomach - ✔✔tongue
7) Which of the following chambers of the heart receives blood returning
from the lungs during pulmonary circulation?
A) left atrium
B) right atrium
C) left ventricle
D) right ventricle - ✔✔left atrium
8) Which of the following is the lobe in the cerebral cortex primarily
responsible for processing and integrating sensory information received
from the rest of the body?